<template>
     <div class="mui-numbox" data-numbox-min="1">
        <button class="mui-btn mui-btn-numbox-minus" type="button">-</button>
        <input id="test" class="mui-input-numbox" type="number" value="1" @change="countChanged" ref="numbox">
        <button class="mui-btn mui-btn-numbox-plus" type="button">+</button>
    </div>
</template>
<script>
import mui from '../../lib/mui/js/mui.min.js'
export default {
    mounted(){
        mui(".mui-numbox").numbox();
    },
    methods:{
        countChanged(){
            //console.log(this.$refs.numbox.value);
            //把值提交到父组件
            this.$emit("getcount",parseInt(this.$refs.numbox.value))

        }
    },
    props:["max"],
    watch:{
        //属性监听
        'max':function (newVal,oldVal) {
            //为numbox设置最大值
            mui(".mui-numbox").numbox().setOption("max",newVal);
        }
    }
        
    
}
</script>
<style lang="scss" scoped>

</style>

